Finding the Fourth Proportional to 313,729.58, 470,652.69 and 103,375.82
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Solution
The fourth proportional to 313,729.58, 470,652.69 and 103,375.82 is: 155,082.95
Step by Step Solution
- Step 1: Write the proportion equation
313,729.58 : 470,652.69 = 103,375.82 : x - Step 2: Convert to fraction form
313,729.58/470,652.69 = 103,375.82/x - Step 3: Cross multiply
313,729.58x = 470,652.69 × 103,375.82 - Step 4: Simplify right side
313,729.58x = 48,654,107,763.96 - Step 5: Solve for x
x = 48,654,107,763.96/313,729.58 - Step 6: Final answer
x = 155,082.95
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.